Density gradient measurements of Cl2 dissociation in shock waves

1977 ◽  
Vol 67 (3) ◽  
pp. 881 ◽  
Author(s):  
Robert J. Santoro ◽  
Gerald J. Diebold ◽  
George J. Goldsmith
Keyword(s):  
Shock Waves ◽  
Density Gradient ◽  
Gradient Measurements

Density gradient measurements of F2 dissociation rates in shock waves

1973 ◽  
Vol 58 (11) ◽  
pp. 5176-5177 ◽  
Author(s):  
W. Dale Breshears ◽  
Paul F. Bird
Keyword(s):  
Shock Waves ◽  
Density Gradient ◽  
Gradient Measurements

Density Gradient Measurements of O2 Dissociation in Shock Waves

1971 ◽  
Vol 55 (8) ◽  
pp. 4017-4026 ◽  
Author(s):  
W. D. Breshears ◽  
P. F. Bird ◽  
John H. Kiefer
Keyword(s):  
Shock Waves ◽  
Density Gradient ◽  
Gradient Measurements ◽  
O2 Dissociation

Density Gradient Measurements of HCl Dissociation in Shock Waves

1972 ◽  
Vol 56 (11) ◽  
pp. 5347-5351 ◽  
Author(s):  
W. D. Breshears ◽  
P. F. Bird
Keyword(s):  
Shock Waves ◽  
Density Gradient ◽  
Gradient Measurements

Accelerating Shock Waves in a Laser‐produced Density Gradient

2000 ◽  
Vol 127 (2) ◽  
pp. 503-508 ◽  
Author(s):  
Romain Teyssier ◽  
Dmitri Ryutov ◽  
Bruce Remington
Keyword(s):  
Shock Waves ◽  
Density Gradient

A new method for density gradient measurements in compressible flows

AIAA Journal ◽  
1982 ◽  
Vol 20 (6) ◽  
pp. 820-823 ◽  
Author(s):  
J. Stricker ◽  
O. Kafri
Keyword(s):  
Density Gradient ◽  
Compressible Flows ◽  
New Method ◽  
Gradient Measurements

Dust-acoustic shock waves: Effect of plasma density gradient

2005 ◽  
Vol 12 (5) ◽  
pp. 052314 ◽  
Author(s):  
De-long Xiao ◽  
J. X. Ma ◽  
Yang-fang Li
Keyword(s):  
Shock Waves ◽  
Density Gradient ◽  
Plasma Density ◽  
Dust Acoustic

The Sensitivity and Range Required in a Toepler Schlieren Apparatus for Photography of High-Speed Air Flow

1954 ◽  
Vol 4 (1) ◽  
pp. 19-50
Author(s):  
W. A. Mair
Keyword(s):  
Theoretical Analysis ◽  
Shock Waves ◽  
Density Gradient ◽  
Boundary Layers ◽  
High Speed ◽  
Opposite Sign ◽  
Geometrical Optics ◽  
Air Stream ◽  
Light Rays ◽  
Curved Shock Waves

SummaryA simple theoretical analysis is given of the quantities affecting the sensitivity and range of a schlieren apparatus. In regions of large density gradient the deflections of the light rays may lie outside the normal working range. When this occurs, dark regions may appear in parts of the photograph that would normally be light. Examples of this effect are given, and it is shown that confusion can be avoided by taking photographs in pairs, with the knife edges or slits arranged to give sensitivities of opposite sign.The deflections of light rays in various typical disturbances in a supersonic air stream are calculated, using geometrical optics. Prandtl-Meyer expansions, boundary layers, and plane and curved shock waves are considered. From these calculated deflections it is shown that some of the anomalous effects commonly observed in schlieren photographs can be explained.

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